import './index.css';
import './index.less';

class Animal {
    constructor(species) {
        this.species = species;
    }
    getSpecies() {
        return this.species;
    }
}

const promise = new Promise((resolve) => {
    resolve('ok');
});

[1, 2, 3, 4].includes(2);

const animal = new Animal('哺乳');
console.log(animal.getSpecies());

eval('console.log(123)');
